RosettaCodeData/Task/Random-number-generator--device-/Rust/random-number-generator--device-.rust
2018-06-22 20:57:24 +00:00

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Text

extern crate rand;
use rand::{OsRng, Rng};
fn main() {
// because `OsRng` opens files, it may fail
let mut rng = match OsRng::new() {
Ok(v) => v,
Err(e) => panic!("Failed to obtain OS RNG: {}", e)
};
let rand_num: u32 = rng.gen();
println!("{}", rand_num);
}